CA2562681C - Procedes et dispositif permettant de faire une selection entre de multiples porteuses a l'aide d'un recepteur a multiples chaines de reception - Google Patents
Procedes et dispositif permettant de faire une selection entre de multiples porteuses a l'aide d'un recepteur a multiples chaines de reception Download PDFInfo
- Publication number
- CA2562681C CA2562681C CA002562681A CA2562681A CA2562681C CA 2562681 C CA2562681 C CA 2562681C CA 002562681 A CA002562681 A CA 002562681A CA 2562681 A CA2562681 A CA 2562681A CA 2562681 C CA2562681 C CA 2562681C
- Authority
- CA
- Canada
- Prior art keywords
- signal
- receiver chain
- receiver
- signals
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 42
- 239000000969 carrier Substances 0.000 title description 17
- 238000004891 communication Methods 0.000 claims abstract description 60
- 238000012545 processing Methods 0.000 claims abstract description 52
- 238000001228 spectrum Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 53
- 238000005259 measurement Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims 2
- 238000010295 mobile communication Methods 0.000 claims 1
- 230000011664 signaling Effects 0.000 abstract description 37
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010187 selection method Methods 0.000 abstract description 2
- 108091006146 Channels Proteins 0.000 description 36
- 230000005540 biological transmission Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 13
- 239000000284 extract Substances 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/64—Distributing or queueing
- H04Q3/68—Grouping or interlacing selector groups or stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3805—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving with built-in auxiliary receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/327—Received signal code power [RSCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
- H04B7/0808—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching comparing all antennas before reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
- H04B7/0814—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/02—Hybrid access
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Noise Elimination (AREA)
Abstract
L'invention concerne des récepteurs permettant de mettre en oeuvre des procédés de sélection de bande de fréquences dans des systèmes de transmission sans fil. Différentes bandes de fréquence sont associées à différentes fréquences porteuses et/ou à une cellule de station de base et/ou à d'autres connexions d'émetteur secteur. Les récepteurs (401) de noeud mobile comprennent deux chaînes de réception (403, 405), chaque chaîne traitant les signaux correspondant à une porteuse. Dans certaines formes de réalisation, chaque chaîne de réception (403, 405) comprend son propre module RF (404, 406) réglable, et la sélection (408, 434) d'une bande porteuse individuelle est mise en oeuvre dans chaque module RF (404, 406). Dans certaines formes de réalisation, les deux chaînes de réception (403, 405) partagent un module RF commun, mais chaque chaîne comprend son propre filtre (414, 438) de bande de base réglable. Dans diverses formes de réalisation, la première chaîne (403) présente une complexité supérieure à celle de la seconde chaîne (405). Dans la plupart des formes de réalisation, chaque chaîne utilise la même technologie, p. ex. OFDM (multiplexage par répartition orthogonale de la fréquence) ou AMRC (accès multiple par répartition en code) à spectre étalé. Chaque chaîne obtient une valeur d'indicateur de qualité sur une bande différente, et une comparaison des valeurs d'indicateur de qualité est utilisée pour sélectionner le canal et la bande porteuse destinés à la signalisation du trafic de liaison descendante.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56290004P | 2004-04-15 | 2004-04-15 | |
US60/562,900 | 2004-04-15 | ||
US10/872,674 US6990324B2 (en) | 2004-04-15 | 2004-06-21 | Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier |
US10/872,674 | 2004-06-21 | ||
US10/965,117 | 2004-10-14 | ||
US10/965,117 US7444127B2 (en) | 2004-04-15 | 2004-10-14 | Methods and apparatus for selecting between multiple carriers using a receiver with multiple receiver chains |
PCT/US2004/034223 WO2005109832A1 (fr) | 2004-04-15 | 2004-10-15 | Procedes et dispositif permettant de faire une selection entre de multiples porteuses a l'aide d'un recepteur a multiples chaines de reception |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2562681A1 CA2562681A1 (fr) | 2005-11-17 |
CA2562681C true CA2562681C (fr) | 2009-12-08 |
Family
ID=35320581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002562681A Expired - Fee Related CA2562681C (fr) | 2004-04-15 | 2004-10-15 | Procedes et dispositif permettant de faire une selection entre de multiples porteuses a l'aide d'un recepteur a multiples chaines de reception |
Country Status (7)
Country | Link |
---|---|
US (1) | US7444127B2 (fr) |
EP (1) | EP1735994B1 (fr) |
JP (1) | JP4791451B2 (fr) |
KR (1) | KR100809796B1 (fr) |
CN (1) | CN100581180C (fr) |
CA (1) | CA2562681C (fr) |
WO (1) | WO2005109832A1 (fr) |
Families Citing this family (33)
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JPWO2006092856A1 (ja) * | 2005-03-02 | 2008-08-07 | 富士通株式会社 | マルチキャリア通信方法及びそれに使用される基地局及び移動局 |
US8897234B2 (en) * | 2005-09-07 | 2014-11-25 | Huawei Technologies Co., Ltd. | Method and apparatus for controlling carrier frequency in multi-carrier/cell system |
WO2007089126A2 (fr) * | 2006-02-03 | 2007-08-09 | Lg Electronics Inc. | Procédé de transmission d'au moins un sous-paquet sur la base d'informations de rétroaction dans un système de communication sans fil |
WO2007147121A2 (fr) | 2006-06-16 | 2007-12-21 | Qualcomm Incorporated | Codage des informations dans les signaux de balise |
US20080244095A1 (en) * | 2007-03-28 | 2008-10-02 | Gustav Gerald Vos | System and method for selecting network access technology |
US20090040107A1 (en) * | 2007-06-12 | 2009-02-12 | Hmicro, Inc. | Smart antenna subsystem |
US20090042527A1 (en) * | 2007-06-12 | 2009-02-12 | Hmicro Inc. | Dynamic low power receiver |
EP2210352B1 (fr) * | 2007-10-24 | 2020-05-06 | LifeSignals, Inc. | Systèmes et réseaux de communications sans fil bidirectionnelles à l'alternat et bidirectionnelles simultanées utilisant des radios multiples |
KR100917200B1 (ko) * | 2007-12-12 | 2009-09-16 | 엘지전자 주식회사 | 신호 송수신 방법 및 신호 송수신 장치 |
KR100917198B1 (ko) * | 2007-12-12 | 2009-09-15 | 엘지전자 주식회사 | 신호 송수신 방법 및 신호 송수신 장치 |
US8432881B2 (en) * | 2007-12-12 | 2013-04-30 | Lg Electronics Inc. | Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal |
US8493912B2 (en) * | 2007-12-12 | 2013-07-23 | Lg Electronics Inc. | Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal |
ATE462258T1 (de) | 2007-12-12 | 2010-04-15 | Lg Electronics Inc | Vorrichtung zum senden und empfangen eines signals und verfahren zum senden und empfangen eines signals |
KR100937430B1 (ko) | 2008-01-25 | 2010-01-18 | 엘지전자 주식회사 | 신호 송수신 방법 및 신호 송수신 장치 |
KR100937429B1 (ko) * | 2008-02-04 | 2010-01-18 | 엘지전자 주식회사 | 신호 송수신 방법 및 신호 송수신 장치 |
GB2469420B (en) * | 2008-02-06 | 2012-10-17 | Hmicro Inc | Wireless communications systems using multiple radios |
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US8223622B2 (en) | 2008-05-19 | 2012-07-17 | Qualcomm Incorporated | Methods and systems for mobile WiMAX three-way downlink concurrent processing and three-way handover |
KR101493240B1 (ko) * | 2008-10-02 | 2015-02-16 | 삼성전자주식회사 | 스펙트럼 센싱 및 데이터 통신을 수행하는 인지 무선 통신 장치 |
US8233875B2 (en) | 2008-11-07 | 2012-07-31 | Kyocera Corporation | Device beacon for handoff management of handoffs to access nodes |
US20100118834A1 (en) * | 2008-11-07 | 2010-05-13 | Amit Kalhan | Device beacon for communication management for peer to peer communications |
US8897277B2 (en) * | 2008-11-07 | 2014-11-25 | Kyocera Corporation | Device beacon for handoff management of handoffs to base stations |
GB2469309B (en) * | 2009-04-08 | 2011-02-23 | Ip Access Ltd | Communication unit and method for frequency synchronising in a cellular communication network |
US9877249B2 (en) | 2009-04-28 | 2018-01-23 | Electronics And Telecommunications Research Institute | Device, method for managing carrier of base station, terminal and method for managing carrier thereof |
US8897799B2 (en) * | 2009-08-25 | 2014-11-25 | Sharp Kabushiki Kaisha | Wireless communication system, wireless communication apparatus, and wireless communication method |
US9736769B2 (en) * | 2009-10-01 | 2017-08-15 | Qualcomm Incorporated | Energy efficient quality of service aware communication over multiple air-links |
US8462874B2 (en) * | 2010-07-13 | 2013-06-11 | Qualcomm Incorporated | Methods and apparatus for minimizing inter-symbol interference in a peer-to-peer network background |
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US20150065127A1 (en) * | 2013-09-04 | 2015-03-05 | Qualcomm Incorporated | Methods and apparatus for improving connected mode search |
WO2018126462A1 (fr) * | 2017-01-06 | 2018-07-12 | 华为技术有限公司 | Procédé de communication, dispositif associé, et système |
JP2020183356A (ja) * | 2019-05-08 | 2020-11-12 | Dic株式会社 | フィコシアニンを有効成分として含有することを特徴とする化粧料 |
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FI92259C (fi) | 1992-12-30 | 1994-10-10 | Nokia Telecommunications Oy | Järjestely vastaanotinantennin kunnon mittaamiseksi |
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EP1441831A4 (fr) * | 2001-10-19 | 2005-10-26 | Innovative Constr & Build Mat | Materiau de filtration d'air anti-pathogenes et dispositifs de traitement d'air offrant une protection contre les microorganismes infectieux en suspension dans l'air |
US6993333B2 (en) | 2003-10-16 | 2006-01-31 | Flarion Technologies, Inc. | Methods and apparatus of improving inter-sector and/or inter-cell handoffs in a multi-carrier wireless communications system |
US20040203567A1 (en) | 2002-11-22 | 2004-10-14 | Jeffrey Berger | Apparatus and method for providing emergency information in a signpost location system |
JP4136835B2 (ja) * | 2003-07-18 | 2008-08-20 | 株式会社アルファ | 自動車のアウトサイドハンドル装置 |
US7212821B2 (en) | 2003-12-05 | 2007-05-01 | Qualcomm Incorporated | Methods and apparatus for performing handoffs in a multi-carrier wireless communications system |
-
2004
- 2004-10-14 US US10/965,117 patent/US7444127B2/en active Active
- 2004-10-15 CN CN200480043346A patent/CN100581180C/zh active Active
- 2004-10-15 KR KR1020067023971A patent/KR100809796B1/ko active IP Right Grant
- 2004-10-15 WO PCT/US2004/034223 patent/WO2005109832A1/fr active Application Filing
- 2004-10-15 CA CA002562681A patent/CA2562681C/fr not_active Expired - Fee Related
- 2004-10-15 EP EP04795396.3A patent/EP1735994B1/fr active Active
- 2004-10-15 JP JP2007508325A patent/JP4791451B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CA2562681A1 (fr) | 2005-11-17 |
US7444127B2 (en) | 2008-10-28 |
KR20070024529A (ko) | 2007-03-02 |
CN100581180C (zh) | 2010-01-13 |
JP4791451B2 (ja) | 2011-10-12 |
EP1735994B1 (fr) | 2019-01-16 |
WO2005109832A1 (fr) | 2005-11-17 |
JP2007533254A (ja) | 2007-11-15 |
CN1998220A (zh) | 2007-07-11 |
KR100809796B1 (ko) | 2008-03-04 |
US20050233716A1 (en) | 2005-10-20 |
EP1735994A4 (fr) | 2014-12-31 |
EP1735994A1 (fr) | 2006-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20211015 |